Zoo keepers were a little nervous about bringing to guerrilla Brothers back together after they had lived apart for three years would they remember. Would they heard and at one another. Not to worry everything turned out -- when they'd rather -- show and his kid brother Al for reunited at us safari park west of London. They instantly recognize -- yet there they. I hung ma within 24 hours he was it is as if they had never found a heart full -- and incredibly -- I'll tells you how close we are you -- to our primary real yes assurance.

This transcript has been automatically generated and may not be 100% accurate.

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